<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <input type="button" value="测试" onclick="fn01()">
    <!-- 冒泡排序 -->
    <script>
        function fn01() {
            var newArr = [8, 5, 2, 1, 4];
            newArr =bubbleSort(newArr);
          console.table(newArr);
        }
        function bubbleSort(arr) {
            for (var i = 0; i < arr.length - 1; i++) {
                var isSort = true;
                for (var j = 0; j < arr.length - i - 1; j++) {
                    if (arr[j] > arr[j + 1]) {
                        var temp = arr[j];
                        arr[j] = arr[j + 1];
                        arr[j + 1] = temp;
                    }

                }
                if (isSort) {
                    break
                }

            }
            return arr;
        }



    </script>
</body>

</html>